| 摘要 |
PURPOSE: A wireless Internet system is provided to allow a user to smoothly use the wireless Internet by using characteristics of a subway running at a certain section for a certain time period. CONSTITUTION: A wireless Internet access unit is installed at each passenger car, registers wireless Internet users and transmits packets to a wireless Internet router. The wireless Internet router registers each user and transfers packets to the wireless Internet access unit to which each user has been connected. Wireless transmitters(20-100) transmits packets that a wireless Internet terminal has requested to a wireless Internet processing system(10), receives packets in response from the wireless Internet processing system, and transmits them to a wireless Internet access unit(110). The wireless Internet processing system(10) detects a position of a wireless Internet router(20) installed in each car, and transmits/receives wireless Internet packets through the wireless transmitters(20-100).
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